improve comments.

[oota-llvm.git] / include / llvm / CodeGen / MachineCodeEmitter.h

diff --git a/include/llvm/CodeGen/MachineCodeEmitter.h b/include/llvm/CodeGen/MachineCodeEmitter.h
index ece416c78db6b6fd4499ab192ab7f06a29b16a3e..20a9ad78e7eb20ec546556fcf0bf299f7b89e47f 100644 (file)
--- a/include/llvm/CodeGen/MachineCodeEmitter.h
+++ b/include/llvm/CodeGen/MachineCodeEmitter.h
@@ -18,6 +18,7 @@
 #define LLVM_CODEGEN_MACHINECODEEMITTER_H
 
 #include "llvm/Support/DataTypes.h"
+#include "llvm/Support/DebugLoc.h"
 
 namespace llvm {
 
@@ -232,7 +233,12 @@ public:
       (*(uint64_t*)Addr) = (uint64_t)Value;
   }
   
-  
+  /// processDebugLoc - Records debug location information about a
+  /// MachineInstruction.  This is called before emitting any bytes associated
+  /// with the instruction.  Even if successive instructions have the same debug
+  /// location, this method will be called for each one.
+  virtual void processDebugLoc(DebugLoc DL) {}
+
   /// emitLabel - Emits a label
   virtual void emitLabel(uint64_t LabelID) = 0;